USED C&H Precision Weapons V4. Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to customers. Most of the plates feature a patented stainless steel T-Nut which provide an industry leading six to seven threads of engagement. Since all the mounting hardware is replaceable" if any mounting hardware is damaged it can be replaced without replacing the entire plate. Specifications for C&H Precision Weapons V4 Red Dot Sight Mount: Manufacturer: C&H Precision Weapons Color: Black Finish: Mil-Spec Type III Hard Anodized Last Chance: Yes Features of C&H Precision Weapons V4 Red Dot Sight Mount: Each plate is precision machined to the tightest tolerances on HAAS CNC machines and each plate goes through multiple quality checks before shipping to their customers. Most of C&H's plates feature a patented stainless steel T-Nut which provides an industry-leading six to seven threads of engagement. Since all the mounting hardware is replaceable if any mounting hardware is damaged it can be replaced without replacing the entire plate. Package Contents: C&H Precision Weapons V4 Red Dot Sight Mount